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/* \file
   \brief Defines operations for reduction operation in CUTLASS Library.
*/

#include "cutlass/cutlass.h"
#include "cutlass/library/library.h"
#include "cutlass/library/manifest.h"

#include "reduction_operation.h"

namespace cutlass {
namespace library {

// naming convention
// initialize_reduce_[ReductionOp]_[EpilogueOp]_[ElementWorkspace]_[ElementAccumulator]_[ElementOutput]

void initialize_reduce_add_linear_combination_f32_f32_f16(Manifest& manifest) {
    using ElementWorkspace = float;
    using ElementAccumulator = float;
    using ElementOutput = cutlass::half_t;
    using ElementCompute = float;

    using EpilogueOutputOp = cutlass::epilogue::thread::LinearCombination<
            ElementOutput, 128 / cutlass::sizeof_bits<ElementOutput>::value,
            ElementAccumulator, ElementCompute>;

    using ReductionOp = cutlass::reduction::thread::ReduceAdd<
            ElementAccumulator, typename EpilogueOutputOp::ElementAccumulator,
            EpilogueOutputOp::kCount>;

    using Operation_reduce_add_linear_combination_f32_f32_f16 =
            cutlass::reduction::device::ReduceSplitK<
                    cutlass::reduction::kernel::ReduceSplitK<
                            cutlass::MatrixShape<4,
                                                 32 * EpilogueOutputOp::kCount>,
                            EpilogueOutputOp, ReductionOp> >;

    manifest.append(new ReductionOperation<
                    Operation_reduce_add_linear_combination_f32_f32_f16>(
            "reduce_add_linear_combination_f32_f32_f16"));
}

void initialize_reduce_add_linear_combination_f32_f32_f32(Manifest& manifest) {
    using ElementWorkspace = float;
    using ElementAccumulator = float;
    using ElementOutput = float;
    using ElementCompute = float;

    using EpilogueOutputOp = cutlass::epilogue::thread::LinearCombination<
            ElementOutput, 128 / cutlass::sizeof_bits<ElementOutput>::value,
            ElementAccumulator, ElementCompute>;

    using ReductionOp = cutlass::reduction::thread::ReduceAdd<
            ElementAccumulator, typename EpilogueOutputOp::ElementAccumulator,
            EpilogueOutputOp::kCount>;

    using Operation_reduce_add_linear_combination_f32_f32_f32 =
            cutlass::reduction::device::ReduceSplitK<
                    cutlass::reduction::kernel::ReduceSplitK<
                            cutlass::MatrixShape<4,
                                                 32 * EpilogueOutputOp::kCount>,
                            EpilogueOutputOp, ReductionOp> >;

    manifest.append(new ReductionOperation<
                    Operation_reduce_add_linear_combination_f32_f32_f32>(
            "reduce_add_linear_combination_f32_f32_f32"));
}

void initialize_reduce_add_linear_combination_cf32_cf32_cf32(
        Manifest& manifest) {
    using ElementWorkspace = cutlass::complex<float>;
    using ElementAccumulator = cutlass::complex<float>;
    using ElementOutput = cutlass::complex<float>;
    using ElementCompute = cutlass::complex<float>;

    using EpilogueOutputOp = cutlass::epilogue::thread::LinearCombination<
            ElementOutput, 128 / cutlass::sizeof_bits<ElementOutput>::value,
            ElementAccumulator, ElementCompute>;

    using ReductionOp = cutlass::reduction::thread::ReduceAdd<
            ElementAccumulator, typename EpilogueOutputOp::ElementAccumulator,
            EpilogueOutputOp::kCount>;

    using Operation_reduce_add_linear_combination_cf32_cf32_cf32 =
            cutlass::reduction::device::ReduceSplitK<
                    cutlass::reduction::kernel::ReduceSplitK<
                            cutlass::MatrixShape<4,
                                                 32 * EpilogueOutputOp::kCount>,
                            EpilogueOutputOp, ReductionOp> >;

    manifest.append(new ReductionOperation<
                    Operation_reduce_add_linear_combination_cf32_cf32_cf32>(
            "reduce_add_linear_combination_cf32_cf32_cf32"));
}

}  // namespace library
}  // namespace cutlass
